Android下对sql数据库访问的实例，实现一个简单的框架逻辑。适合初学者及有经验的程序员参考-Android under the instance of sql database access, implement a simple framework logic. Suitable for beginners and experienced programmers reference

可以是对Android本地数据库访问，添加或者删除一个数据，对数据库操作有一定参考价值-Can be on the Android local access, add or delete a data, the operation has a certain reference value